Heap-based buffer overflow in the ares_create_query function in c-ares 1.x before 1.12.0 allows remote attackers to cause a denial of service (out-of-bounds write) or possibly execute arbitrary code via a hostname with an escaped trailing dot.
rhn.redhat.com/errata/RHSA-2017-0002.html
www.debian.org/security/2016/dsa-3682
www.securityfocus.com/bid/93243
www.ubuntu.com/usn/USN-3143-1
c-ares.haxx.se/adv_20160929.html
c-ares.haxx.se/CVE-2016-5180.patch
googlechromereleases.blogspot.in/2016/09/stable-channel-updates-for-chrome-os.html
security.gentoo.org/glsa/201701-28
source.android.com/security/bulletin/2017-01-01.html